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A circularly polarized luminescent organogel based on a Pt(II) complex possessing phenylisoxazoles

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Abstract

A Pt(II)phenylbipyridine complex 1, possessing phenylisoxazoles, long alkyl chains, and chiral alkyl chains, was synthesized. Complex 1 formed a stacked assembly in chloroform, self-assembled in a cooperative manner in methylcyclohexane (MCH), and gelled in higher alcohols and dodecane. In the nucleation regime, 1 assembled via a Pt–Pt interaction, which was demonstrated by the metal–metal-to-ligand charge transfer (MMLCT) emission band of the assembly. In the elongation regime, 1 displayed aggregation-induced emission enhancement (AIEE) character. The assembly of 1 formed in MCH was chiroptically non-active, suggesting that the assembly was non-helical. Complex 1 also exhibited strong AIEE and circularly polarized luminescence (CPL) with an anisotropic factor (glum) of 0.011 in 1-decanol gel, indicating that a chiral assembly was formed in the gel.

Graphical abstract: A circularly polarized luminescent organogel based on a Pt(ii) complex possessing phenylisoxazoles

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Publication details

The article was received on 07 Dec 2017, accepted on 15 Jan 2018 and first published on 15 Jan 2018


Article type: Research Article
DOI: 10.1039/C7QM00564D
Citation: Mater. Chem. Front., 2018, Advance Article
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    A circularly polarized luminescent organogel based on a Pt(II) complex possessing phenylisoxazoles

    T. Ikeda, K. Hirano and T. Haino, Mater. Chem. Front., 2018, Advance Article , DOI: 10.1039/C7QM00564D

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